I think an important figure of merit to consider when evaluating an intercooler is its efficiency, which seems to be missing from list of data for each model intercooler. Efficiency, as a percentage, is defined as:

TIN - TOUT

_________ x 100

TIN - TAMB

Where:

TAMB is ambient air temperature,

TIN is the temperature of air entering the intercooler,

TOUT is the temperature of air exiting the intercooler.

So, an intercooler whose efficiency is 80% removes 80% of the heat added by the turbocharger and would generally be preferred over an intercooler whose efficiency is 75%.